[FYI PATCH 10/20] kvm: use kmalloc() instead of kzalloc() during iodev register/unregister

From: Paolo Bonzini
Date: Mon Sep 28 2015 - 06:43:21 EST


From: Jason Wang <jasowang@xxxxxxxxxx>

All fields of kvm_io_range were initialized or copied explicitly
afterwards. So switch to use kmalloc().

Cc: Gleb Natapov <gleb@xxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
virt/kvm/kvm_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 8db1d9361993..23116dcb2129 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3341,7 +3341,7 @@ int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
if (bus->dev_count - bus->ioeventfd_count > NR_IOBUS_DEVS - 1)
return -ENOSPC;

- new_bus = kzalloc(sizeof(*bus) + ((bus->dev_count + 1) *
+ new_bus = kmalloc(sizeof(*bus) + ((bus->dev_count + 1) *
sizeof(struct kvm_io_range)), GFP_KERNEL);
if (!new_bus)
return -ENOMEM;
@@ -3373,7 +3373,7 @@ int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
if (r)
return r;

- new_bus = kzalloc(sizeof(*bus) + ((bus->dev_count - 1) *
+ new_bus = kmalloc(sizeof(*bus) + ((bus->dev_count - 1) *
sizeof(struct kvm_io_range)), GFP_KERNEL);
if (!new_bus)
return -ENOMEM;
--
1.8.3.1


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